/**
 * 
 */
package t4j.concurrency;

import java.util.concurrent.TimeUnit;


class Daemon implements Runnable {
	
	private Thread[] t = new Thread[10];

	@Override
	public void run() {
		for(int i = 0; i< t.length ; i++){
			t[i] = new Thread(new DaemonSpawn());
			t[i].start();
			System.out.println("DaemonSpawn " + i +  " started. ");
		}
		
		for(int i = 0 ; i <t.length ; i ++)
			System.out.printf("t[" + i + "].isDaemon() = " + t[i].isDaemon() +",");
		
		while(true)
			Thread.yield();
	}

}

class DaemonSpawn implements Runnable{

	@Override
	public void run() {
		while(true)
			Thread.yield();
	}
}

public class Daemons {
	
	public static void main(String[] args) throws InterruptedException {
		Thread d = new Thread(new Daemon());
		
		d.setDaemon(true);
		
		d.start();
		
		System.out.println("d.isDaemon() = " + d.isDaemon() + ",");
		
		TimeUnit.SECONDS.sleep(10);
	}
}